LED large TV screen - Guanggu big screen officially launched. According to reports, the total area of ​​Guanggu Daping is more than 600 square meters. It is the largest outdoor LED TV screen in China. It adopts advanced digital transmission technology and can play various news and entertainment programs in real time. Laptops,windows Laptops,win11 Laptops,win10 Laptops Jingjiang Gisen Technology Co.,Ltd , https://www.jsgisentec.com